"Reduce size without losing quality" is slightly a myth — some trade is always involved — but you can get very close by pulling the right levers in the right order. Here is how to shrink an image so the loss is invisible.
1. Resize the dimensions first
This is the biggest, most overlooked win. A photo displayed at 800 pixels wide does not need to be 4000 pixels wide. Halving the width and height cuts the pixel count to a quarter — a huge size reduction with zero visible loss at the display size. Use the image resizer to set sensible dimensions before anything else.
2. Pick the right format
Format matters enormously. Photographs belong in JPG or WebP, never PNG — a photo saved as PNG can be many times larger. Graphics, logos and screenshots belong in PNG (or WebP). If the destination is a modern website, WebP is typically 25–35% smaller than JPG at the same quality.
3. Compress to a sensible quality
JPG and WebP let you trade quality for size. The trick is that the last 10% of quality costs most of the file size while being nearly invisible — so a 100% export is wasteful. A tool that targets an exact size does this automatically: it finds the highest quality that still fits your target, so you never over- or under-compress.
4. Strip metadata
Photos carry hidden EXIF data — GPS, camera settings, thumbnails — that adds weight and leaks privacy. Removing it shaves a little size and is worth doing before sharing regardless.
Putting it together
The reliable recipe: resize to the dimensions you actually need → choose JPG or WebP → compress to a target size. Do those three and a multi-megabyte photo becomes a lean file that still looks sharp. Everything here runs in your browser, so your images stay private throughout.